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EP 3 665 752 A1

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(43) Date of publication: 17.06.2020 Bulletin 2020/25 (21) Application number: 18843883.2 (22) Date of filing: 14.08.2018

(51) International Patent Classification (IPC):  H01S 5/042(2006.01) H01S 5/024(2006.01) (86) International application number: PCT/US2018/046785 (87) International publication number: WO 2019/033127 (14.02.2019 Gazette 2019/07)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 09.08.2017 US 201715673202 (71) Applicant: Lawrence Livermore National Security, LLC Livermore, CA 94550 (US)

(72) Inventors: BAYRAMIAN, Andrew, James Livermore CA 94550 (US) BEER, Glenn Livermore CA 94550 (US) DERI, Robert, J. Livermore CA 94550 (US) FULKERSON, Edward, S. Livermore CA 94550 (US) TELFORD, Steven, J. Livermore, CA 94550 (US) LANNING, Rodney, Kay Livermore, CA 94550 (US) KOH, Edward, S. Livermore, CA 94550 (US) HEINBOCKEL, Chuck Livermore, CA 94550 (US) (74) Representative: Grünecker Patent- und Rechtsanwälte PartG mbB  Leopoldstraße 4 80802 München 80802 München (DE)